Juergen Hannken-Illjes wrote:

[...]
> At least `curcpu() == CPUINFO_VA->ci_self' is bogus.
> 0x13f2d20 is at pmap::ctx_free
>    
Hi everyone,

I suspect these SIRs are caused by an as-of-yet unknown concurrency
problem in the pmap module. This patch is mindboggling and might be
special magic that only works on my setup, but I haven't had any SIR
resets so far. Without this I don't even get past fsck.

Index: pmap.c
===================================================================
RCS file: /cvsroot/src/sys/arch/sparc64/sparc64/pmap.c,v
retrieving revision 1.187
diff -u -r1.187 pmap.c
--- pmap.c	12 Mar 2007 18:18:28 -0000	1.187
+++ pmap.c	24 Mar 2007 21:19:04 -0000
@@ -1846,6 +1846,7 @@
 	if (pm == pmap_kernel()) {
 		return;
 	}
+	DELAY(20000);
 	stxa(CTX_SECONDARY, ASI_DMMU, 0);
 	pm->pm_refs = 0;
 	ctx_free(pm);